Penny and Vince attend her boss's daughter Sammy's wedding where Vince accidentally gets his cuff link caught up with the bride's dress - leading to a row with Penny and the cancellation of the honeymoon. Meanwhile Daphne is less than delighted to get a surprise visit from Vince's parents, Rita and Les and his clumsy brother Clifford. Not only do they remind her of the aborted wedding but they seem to have more money than her.